Prince Manufacturing Corp. Datasheets for Positive Displacement Pumps

Positive displacement pumps use a mechanical force such as gears, bladders, pistons, plungers or diaphragms to push liquid through and out of the pump.
Positive Displacement Pumps: Learn more

Product Name Notes
PTO Hydraulic Pump (Cast Iron Housing)
PTO Hydraulic Pump (Cast Iron Housing) Rear Ported
Features High duty cycle Use in circuits with motors Better at higher temperatures Increased wear resistance Internally splined 1 3/8" diameter drive shaft, 6 tooth or 21 tooth Up to...
PTO Hydraulic Pump (Aluminum Housing)
PTO Hydraulic Pump (Aluminum Housing) Rear Ported
Features Standard duty cycle Reduced weight Optional shaft configurations Smaller Housing Internally splined 1 3/8" diameter drive shaft, 6 tooth or 21 tooth Up to 40 gallons a minute 2250...
SP20P Series Priority Flow Divider Pump
SP25P Series Priority Flow Divider Pump
Function Priority flow divider pumps split the flow between a priority port and an excess flow port. The flow is initially directed to the priority port until the priority setting...
SP20B Series SAE “A” Flange Pump Function The SP20B pump now utilizes self-lubricating thrust blocks that eliminate the need for separate wear plates. They are made from a high strength aluminum alloy with exceptional anti-galling properties.
SP25A Series SAE “B” Flange Pump Function The SP25A pump now utilizes self-lubricating thrust blocks that eliminate the need for separate wear plates. They are made from a high strength aluminum alloy with exceptional anti-galling properties.
SPD1 Double Pump Function The SPD1 series of double pumps consists of two SP20B pump sections. The SP20B pump utilizes self-lubricating thrust blocks that eliminate the need for separate wear plates. They are...
SP25D2 Double Pump Function The SPD2 series of pumps are special SP-25A series pumps with through shafts. The through shafts have 9 tooth internal splines at the rear and the pump’s rear cover...
SPD3 Double Pump Function The SPD3 series of double pumps consists of two SP-25A pump sections. The SP25A pump now utilizes self-lubricating thrust blocks that eliminate the need for separate wear plates. They...
SPHL1 Hi-Lo Pump Standard A Flange Gear Pump, High-Low Pump